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  4. Surface tension of a liquid is T- If its surface area is increased by A, then the increase in surface energy will be :

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Q. Surface tension of a liquid is $T$- If its surface area is increased by A, then the increase in surface energy will be :

Rajasthan PMTRajasthan PMT 2002Mechanical Properties of Fluids

Solution:

Increase in surface energy
$=$ increase in area $\times$ surface tension
$=A T$